COLCHESTER UNITED have not had a single bid for in-demand left-back Marc Tierney, according to reports.

Aidy Boothroyd has been heavily linked with returning to his old club to snap up the highly-rated former Oldham defender.

Colchester have offered Tierney a new deal in a bid to keep him out of the clutches of the Sky Blues, Sheffield United, Norwich City and Middlesbrough, who are all rumoured to be interested.

United chairman Robbie Cowling told Vital Football: "Obviously Mark is in the last year of his contract. Again, we`ve offered him improved terms are hopefully he`s going to accept those and stay with the club."

If Tierney does reject the new contract, it is believed that he'll be sold.